 /*******************************************************************************
  * Copyright (c) 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  ******************************************************************************/

 package org.eclipse.ui.internal.navigator.resources.workbench;

 import org.eclipse.jface.viewers.ILabelProvider;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.internal.navigator.resources.plugin.WorkbenchNavigatorPlugin;
 import org.eclipse.ui.navigator.IDescriptionProvider;
 import org.eclipse.ui.navigator.INavigatorContentService;

 /**
  * Defines a label provider for the title bar in the tabbed properties view.
  *
  * @since 3.2
  */
 public class TabbedPropertySheetTitleProvider extends LabelProvider {

     private ILabelProvider labelProvider;

     private IDescriptionProvider descriptionProvider;

     /**
      * Constructor for CommonNavigatorTitleProvider.
      */
     public TabbedPropertySheetTitleProvider() {
         super();
         IWorkbenchPart part = PlatformUI.getWorkbench()
                 .getActiveWorkbenchWindow().getActivePage().getActivePart();

         INavigatorContentService contentService = (INavigatorContentService) part
                 .getAdapter(INavigatorContentService.class);

         if (contentService != null) {
             labelProvider = contentService.createCommonLabelProvider();
             descriptionProvider = contentService
                     .createCommonDescriptionProvider();
         } else {
             WorkbenchNavigatorPlugin.log(
                     "Could not acquire INavigatorContentService from part (\"" //$NON-NLS-1$
 + part.getTitle() + "\").", null); //$NON-NLS-1$
 }
     }

     /**
      * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
      */
     public Image getImage(Object object) {
         return labelProvider != null ? labelProvider.getImage(object) : null;
     }

     /**
      * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
      */
     public String getText(Object object) {
         return descriptionProvider != null ? descriptionProvider
                 .getDescription(object) : null;
     }
 }

